RFR: 8288568: Reduce runtime of java.security microbenchmarks [v3]

[Claes Redestad]

> - Reduce forks, iteration, runtime to reduce runtime while maintaining high data quality on typical benchmarking hosts.
> 
> Reduces runtime from estimated 10+ hours to 54 minutes.

Claes Redestad has updated the pull request incrementally with one additional commit since the last revision:

  Address comments on SSLHandshake

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/9189/files
  - new: https://git.openjdk.org/jdk/pull/9189/files/8330c018..aa843dd7

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=9189&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=9189&range=01-02

  Stats: 5 lines in 1 file changed: 0 ins; 3 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/9189.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9189/head:pull/9189

PR: https://git.openjdk.org/jdk/pull/9189